diff options
Diffstat (limited to 'plat/nxp/soc-ls1046a/soc.c')
| -rw-r--r-- | plat/nxp/soc-ls1046a/soc.c | 399 |
1 files changed, 399 insertions, 0 deletions
diff --git a/plat/nxp/soc-ls1046a/soc.c b/plat/nxp/soc-ls1046a/soc.c new file mode 100644 index 0000000..6dfea89 --- /dev/null +++ b/plat/nxp/soc-ls1046a/soc.c @@ -0,0 +1,399 @@ +/* + * Copyright 2018-2022 NXP + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#include <assert.h> + +#include <arch.h> +#include <caam.h> +#include <cassert.h> +#include <cci.h> +#include <common/debug.h> +#include <dcfg.h> +#ifdef I2C_INIT +#include <i2c.h> +#endif +#include <lib/mmio.h> +#include <lib/xlat_tables/xlat_tables_v2.h> +#include <ls_interconnect.h> +#ifdef POLICY_FUSE_PROVISION +#include <nxp_gpio.h> +#endif +#include <nxp_smmu.h> +#include <nxp_timer.h> +#include <plat_console.h> +#include <plat_gic.h> +#include <plat_tzc400.h> +#include <scfg.h> +#if defined(NXP_SFP_ENABLED) +#include <sfp.h> +#endif + +#include <errata.h> +#include <ns_access.h> +#ifdef CONFIG_OCRAM_ECC_EN +#include <ocram.h> +#endif +#include <plat_common.h> +#include <platform_def.h> +#include <soc.h> + +static dcfg_init_info_t dcfg_init_data = { + .g_nxp_dcfg_addr = NXP_DCFG_ADDR, + .nxp_sysclk_freq = NXP_SYSCLK_FREQ, + .nxp_ddrclk_freq = NXP_DDRCLK_FREQ, + .nxp_plat_clk_divider = NXP_PLATFORM_CLK_DIVIDER, +}; + +/* Function to return the SoC SYS CLK */ +static unsigned int get_sys_clk(void) +{ + return NXP_SYSCLK_FREQ; +} + +/* + * Function returns the base counter frequency + * after reading the first entry at CNTFID0 (0x20 offset). + * + * Function is used by: + * 1. ARM common code for PSCI management. + * 2. ARM Generic Timer init. + * + */ +unsigned int plat_get_syscnt_freq2(void) +{ + unsigned int counter_base_frequency; + + counter_base_frequency = get_sys_clk() / 4; + + return counter_base_frequency; +} + +#ifdef IMAGE_BL2 +/* Functions for BL2 */ + +static struct soc_type soc_list[] = { + SOC_ENTRY(LS1046A, LS1046A, 1, 4), + SOC_ENTRY(LS1046AE, LS1046AE, 1, 4), + SOC_ENTRY(LS1026A, LS1026A, 1, 2), + SOC_ENTRY(LS1026AE, LS1026AE, 1, 2), +}; + +#ifdef POLICY_FUSE_PROVISION +static gpio_init_info_t gpio_init_data = { + .gpio1_base_addr = NXP_GPIO1_ADDR, + .gpio2_base_addr = NXP_GPIO2_ADDR, + .gpio3_base_addr = NXP_GPIO3_ADDR, + .gpio4_base_addr = NXP_GPIO4_ADDR, +}; +#endif + +/* + * Function to set the base counter frequency at + * the first entry of the Frequency Mode Table, + * at CNTFID0 (0x20 offset). + * + * Set the value of the pirmary core register cntfrq_el0. + */ +static void set_base_freq_CNTFID0(void) +{ + /* + * Below register specifies the base frequency of the system counter. + * As per NXP Board Manuals: + * The system counter always works with SYS_REF_CLK/4 frequency clock. + */ + unsigned int counter_base_frequency = get_sys_clk() / 4; + + /* Setting the frequency in the Frequency modes table. + * + * Note: The value for ls1046ardb board at this offset + * is not RW as stated. This offset have the + * fixed value of 100000400 Hz. + * + * The below code line has no effect. + * Keeping it for other platforms where it has effect. + */ + mmio_write_32(NXP_TIMER_ADDR + CNTFID_OFF, counter_base_frequency); + + write_cntfrq_el0(counter_base_frequency); +} + +void soc_preload_setup(void) +{ + +} + +/* + * This function implements soc specific erratas + * This is called before DDR is initialized or MMU is enabled + */ +void soc_early_init(void) +{ + uint8_t num_clusters, cores_per_cluster; + dram_regions_info_t *dram_regions_info = get_dram_regions_info(); + +#ifdef CONFIG_OCRAM_ECC_EN + ocram_init(NXP_OCRAM_ADDR, NXP_OCRAM_SIZE); +#endif + dcfg_init(&dcfg_init_data); +#ifdef POLICY_FUSE_PROVISION + gpio_init(&gpio_init_data); + sec_init(NXP_CAAM_ADDR); +#endif +#if LOG_LEVEL > 0 + /* Initialize the console to provide early debug support */ + + plat_console_init(NXP_CONSOLE_ADDR, + NXP_UART_CLK_DIVIDER, NXP_CONSOLE_BAUDRATE); +#endif + set_base_freq_CNTFID0(); + + /* Enable snooping on SEC read and write transactions */ + scfg_setbits32((void *)(NXP_SCFG_ADDR + SCFG_SNPCNFGCR_OFFSET), + SCFG_SNPCNFGCR_SECRDSNP | SCFG_SNPCNFGCR_SECWRSNP); + + /* + * Initialize Interconnect for this cluster during cold boot. + * No need for locks as no other CPU is active. + */ + cci_init(NXP_CCI_ADDR, cci_map, ARRAY_SIZE(cci_map)); + + /* + * Enable Interconnect coherency for the primary CPU's cluster. + */ + get_cluster_info(soc_list, ARRAY_SIZE(soc_list), &num_clusters, &cores_per_cluster); + plat_ls_interconnect_enter_coherency(num_clusters); + + /* + * Unlock write access for SMMU SMMU_CBn_ACTLR in all Non-secure contexts. + */ + smmu_cache_unlock(NXP_SMMU_ADDR); + INFO("SMMU Cache Unlocking is Configured.\n"); + +#if TRUSTED_BOARD_BOOT + uint32_t mode; + + sfp_init(NXP_SFP_ADDR); + /* + * For secure boot disable SMMU. + * Later when platform security policy comes in picture, + * this might get modified based on the policy + */ + if (check_boot_mode_secure(&mode) == true) { + bypass_smmu(NXP_SMMU_ADDR); + } + + /* + * For Mbedtls currently crypto is not supported via CAAM + * enable it when that support is there. In tbbr.mk + * the CAAM_INTEG is set as 0. + */ +#ifndef MBEDTLS_X509 + /* Initialize the crypto accelerator if enabled */ + if (is_sec_enabled() == false) { + INFO("SEC is disabled.\n"); + } else { + sec_init(NXP_CAAM_ADDR); + } +#endif +#elif defined(POLICY_FUSE_PROVISION) + gpio_init(&gpio_init_data); + sfp_init(NXP_SFP_ADDR); + sec_init(NXP_CAAM_ADDR); +#endif + + soc_errata(); + + /* Initialize system level generic timer for Layerscape Socs. */ + delay_timer_init(NXP_TIMER_ADDR); + +#ifdef DDR_INIT + i2c_init(NXP_I2C_ADDR); + dram_regions_info->total_dram_size = init_ddr(); +#endif +} + +void soc_bl2_prepare_exit(void) +{ +#if defined(NXP_SFP_ENABLED) && defined(DISABLE_FUSE_WRITE) + set_sfp_wr_disable(); +#endif +} + +/* This function returns the boot device based on RCW_SRC */ +enum boot_device get_boot_dev(void) +{ + enum boot_device src = BOOT_DEVICE_NONE; + uint32_t porsr1; + uint32_t rcw_src, val; + + porsr1 = read_reg_porsr1(); + + rcw_src = (porsr1 & PORSR1_RCW_MASK) >> PORSR1_RCW_SHIFT; + + val = rcw_src & RCW_SRC_NAND_MASK; + + if (val == RCW_SRC_NAND_VAL) { + val = rcw_src & NAND_RESERVED_MASK; + if ((val != NAND_RESERVED_1) && (val != NAND_RESERVED_2)) { + src = BOOT_DEVICE_IFC_NAND; + INFO("RCW BOOT SRC is IFC NAND\n"); + } + } else { + /* RCW SRC NOR */ + val = rcw_src & RCW_SRC_NOR_MASK; + if (val == NOR_8B_VAL || val == NOR_16B_VAL) { + src = BOOT_DEVICE_IFC_NOR; + INFO("RCW BOOT SRC is IFC NOR\n"); + } else { + switch (rcw_src) { + case QSPI_VAL1: + case QSPI_VAL2: + src = BOOT_DEVICE_QSPI; + INFO("RCW BOOT SRC is QSPI\n"); + break; + case SD_VAL: + src = BOOT_DEVICE_EMMC; + INFO("RCW BOOT SRC is SD/EMMC\n"); + break; + default: + src = BOOT_DEVICE_NONE; + } + } + } + + return src; +} + +/* This function sets up access permissions on memory regions */ +void soc_mem_access(void) +{ + dram_regions_info_t *info_dram_regions = get_dram_regions_info(); + struct tzc400_reg tzc400_reg_list[MAX_NUM_TZC_REGION]; + unsigned int dram_idx, index = 0U; + + for (dram_idx = 0U; dram_idx < info_dram_regions->num_dram_regions; + dram_idx++) { + if (info_dram_regions->region[dram_idx].size == 0) { + ERROR("DDR init failure, or"); + ERROR("DRAM regions not populated correctly.\n"); + break; + } + + index = populate_tzc400_reg_list(tzc400_reg_list, + dram_idx, index, + info_dram_regions->region[dram_idx].addr, + info_dram_regions->region[dram_idx].size, + NXP_SECURE_DRAM_SIZE, NXP_SP_SHRD_DRAM_SIZE); + } + + mem_access_setup(NXP_TZC_ADDR, index, tzc400_reg_list); +} + +#else /* IMAGE_BL2 */ +/* Functions for BL31 */ + +const unsigned char _power_domain_tree_desc[] = {1, 1, 4}; + +CASSERT(NUMBER_OF_CLUSTERS && NUMBER_OF_CLUSTERS <= 256, + assert_invalid_ls1046_cluster_count); + +/* This function returns the SoC topology */ +const unsigned char *plat_get_power_domain_tree_desc(void) +{ + return _power_domain_tree_desc; +} + +/* + * This function returns the core count within the cluster corresponding to + * `mpidr`. + */ +unsigned int plat_ls_get_cluster_core_count(u_register_t mpidr) +{ + return CORES_PER_CLUSTER; +} + +void soc_early_platform_setup2(void) +{ + dcfg_init(&dcfg_init_data); + /* Initialize system level generic timer for SoCs */ + delay_timer_init(NXP_TIMER_ADDR); + +#if LOG_LEVEL > 0 + /* Initialize the console to provide early debug support */ + plat_console_init(NXP_CONSOLE_ADDR, + NXP_UART_CLK_DIVIDER, NXP_CONSOLE_BAUDRATE); +#endif +} + +void soc_platform_setup(void) +{ + static uint32_t target_mask_array[PLATFORM_CORE_COUNT]; + /* + * On a GICv2 system, the Group 1 secure interrupts are treated + * as Group 0 interrupts. + */ + static interrupt_prop_t ls_interrupt_props[] = { + PLAT_LS_G1S_IRQ_PROPS(GICV2_INTR_GROUP0), + PLAT_LS_G0_IRQ_PROPS(GICV2_INTR_GROUP0) + }; + + plat_ls_gic_driver_init( +#if (TEST_BL31) + /* Defect in simulator - GIC base addresses (4Kb aligned) */ + NXP_GICD_4K_ADDR, + NXP_GICC_4K_ADDR, +#else + NXP_GICD_64K_ADDR, + NXP_GICC_64K_ADDR, +#endif + PLATFORM_CORE_COUNT, + ls_interrupt_props, + ARRAY_SIZE(ls_interrupt_props), + target_mask_array); + + plat_ls_gic_init(); + enable_init_timer(); +} + +/* This function initializes the soc from the BL31 module */ +void soc_init(void) +{ + /* low-level init of the soc */ + soc_init_lowlevel(); + _init_global_data(); + soc_init_percpu(); + _initialize_psci(); + + /* + * Initialize the interconnect during cold boot. + * No need for locks as no other CPU is active. + */ + cci_init(NXP_CCI_ADDR, cci_map, ARRAY_SIZE(cci_map)); + + /* + * Enable coherency in interconnect for the primary CPU's cluster. + * Earlier bootloader stages might already do this but we can't + * assume so. No harm in executing this code twice. + */ + cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr())); + + /* Init CSU to enable non-secure access to peripherals */ + enable_layerscape_ns_access(ns_dev, ARRAY_SIZE(ns_dev), NXP_CSU_ADDR); + + /* Initialize the crypto accelerator if enabled */ + if (is_sec_enabled() == false) { + INFO("SEC is disabled.\n"); + } else { + sec_init(NXP_CAAM_ADDR); + } +} + +void soc_runtime_setup(void) +{ + +} + +#endif /* IMAGE_BL2 */ |